| Reference |
post code |
location 1 |
location 2 |
| SY16 400 | SY16 | NEWTOWN POST OFFICE | SHORTBRIDGE STREET |
| SY16 452 | SY16 1 | RAILWAY STATION | NEWTOWN |
| SY16 453 | SY16 1 | NEW ROAD | NEWTOWN |
| SY16 455 | SY16 1 | LLANIDLOES ROAD | NEWTOWN |
| SY16 464 | SY16 1 | THE CROSS | NEWTOWN |
| SY16 465 | SY16 1 | GARTH OWEN | |
| SY16 466 | SY16 1 | MAESYRHANDIR | NEWTOWN |
| SY16 591 | SY16 1 | VASTRE ESTATE | NEWTOWN |
| SY16 593 | SY16 1 | TREOWEN | NEWTOWN |
| SY16 595 | SY16 1 | VAYNOR ESTATE | NEWTOWN |
| SY16 596 | SY16 1 | SAFEWAY NEWTOWN | |
| SY16 456 | SY16 1EE | PARK STREET | NEWTOWN |
| SY16 454 | SY16 1HJ. | NANTOER POST OFFICE | |
| SY16 470 | SY16 1QN | TREHAFREN ESTATE | NEWTOWN |
| SY16 457 | SY16 2 | INFIRMARY | NEWTOWN |
| SY16 458 | SY16 2 | CANAL ROAD | NEWTOWN |
| SY16 461 | SY16 2 | COMMERCIAL STREET | NEWTOWN |
| SY16 462 | SY16 2 | THE FRON | NEWTOWN |
| SY16 463 | SY16 2 | SEVERN PLACE | NEWTOWN |
| SY16 468 | SY16 2 | CRESCENT GARDENS | NEWTOWN |
| SY16 459 | SY16 2AW | CAMBRIAN GARDENS | NEWTOWN |
| SY16 471 | SY16 2EF | MILFORD ROAD | NEWTOWN |
| SY16 460 | SY16 2LG | COEDYFFRIDD | NEWTOWN |
| SY16 495 | SY16 2QQ | NEW BARNFIELDS | NEWTOWN |
| SY16 451 | SY16 3 | POOL ROAD | NEWTOWN |
| SY16 467 | SY16 3 | GROVE COTTAGES | NEWTOWN |
| SY16 469 | SY16 3 | DYFFRYN INDUSTRIAL ESTATE | NEWTOWN |
| SY16 486 | SY16 3 | BWLCHYFFRIDD | NEWTOWN |
| SY16 488 | SY16 3 | ADFA POST OFFICE | |
| SY16 490 | SY16 3 | LLANWYDDELAN BRIDGE | NEWTOWN |
| SY16 491 | SY16 3 | NEW MILLS | |
| SY16 492 | SY16 3 | TREGYNON VILLAGE | NEWTOWN |
| SY16 493 | SY16 3 | FINGER POST | TREGYNON |
| SY16 494 | SY16 3 | BETTWS CEDEWEN | |
| SY16 578 | SY16 3 | FACHWEN CROSS ROADS | NEWTOWN |
| SY16 580 | SY16 3 | WAEN CROSS ROADS | NEWTOWN |
| SY16 592 | SY16 3 | TREGYNON POST OFFICE | TREGYNON |
| SY16 496 | SY16 3BH | LLANLLWCHAIARN POST OFFICE | NEWTOWN |
| SY16 484 | SY16 3HT | GLANRHYD | NEWTOWN |
| SY16 485 | SY16 3JA | BWLCHYFFRIDD POST OFFICE | NEWTOWN |
| SY16 579 | SY16 3JE | BETHEL CROSS ROADS | NEWTOWN |
| SY16 472 | SY16 3JR | HILLCREST | NEWTOWN |
| SY16 487 | SY16 3PU | GERIZIM | TREGYNON |
| SY16 498 | SY16 4 | SARN | NEWTOWN |
| SY16 499 | SY16 4 | LLANCOWRID TURN | SARN |
| SY16 500 | SY16 4 | KERRY STATION | NEWTOWN |
| SY16 501 | SY16 4 | KERRY POST OFFICE | NEWTOWN |
| SY16 519 | SY16 4 | MOCHDRE POST OFFICE | NEWTOWN |
| SY16 520 | SY16 4 | STEPASIDE | NEWTOWN |
| SY16 521 | SY16 4 | MOCHDRE BRIDGE | NEWTOWN |
| SY16 574 | SY16 4 | BRYNLLYWARCH GATE | KERRY |
| SY16 576 | SY16 4 | SAW MILLS | KERRY |
| SY16 577 | SY16 4 | PENTRE BRIDGE | KERRY |
| SY16 581 | SY16 4 | PENTRE MOCHDRE | NEWTOWN |
| SY16 583 | SY16 4 | DOLFOR | NEWTOWN |
| SY16 594 | SY16 4 | MOCHDRE INDUSTRIAL ESTATE | NEWTOWN |
| SY16 503 | SY16 4DT | CROSS ROADS VASTRE | NEWTOWN |
| SY16 502 | SY16 4DW | GILFACH BRIDGE | KERRY |
| SY16 497 | SY16 4HQ | THE CITY | SARN |
| SY16 575 | SY16 4NE | HODLEY | KERRY |
Map boundaries are based on data from